login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,0,4,1 for x=0,1,2,3,4
1

%I #5 Mar 31 2012 12:36:27

%S 5,203,4078,79003,1516652,29239326,567312297,10969537457,212128886217,

%T 4104645843820,79400771205004,1535972443663444,29714060354536788,

%U 574817774193408199,11119837928249291579,215114059044446417887

%N Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,0,4,1 for x=0,1,2,3,4

%C Every 0 is next to 0 3's, every 1 is next to 1 2's, every 2 is next to 2 0's, every 3 is next to 3 4's, every 4 is next to 4 1's

%C Column 5 of A196802

%H R. H. Hardin, <a href="/A196799/b196799.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for n=4

%e ..0..0..0..0..0....2..0..2..0..0....0..1..0..0..0....0..0..0..0..0

%e ..1..2..1..1..0....0..0..2..0..0....0..2..2..0..1....0..0..0..1..0

%e ..0..0..0..2..2....0..0..2..1..0....0..0..1..0..2....0..1..2..2..0

%e ..1..2..0..0..0....0..0..0..0..0....0..2..1..0..0....0..0..0..0..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 06 2011